Finding the Third Proportional to 840,320 and 1,261,104

Step by Step Solution

1. Step 1: Write the proportion equation
   840,320 : 1,261,104 = 1,261,104 : x
2. Step 2: Convert to fraction form
   840,320/1,261,104 = 1,261,104/x
3. Step 3: Cross multiply
   840,320x = 1,261,104 × 1,261,104
4. Step 4: Simplify right side
   840,320x = 1,590,383,298,816
5. Step 5: Solve for x
   x = 1,590,383,298,816/840,320
6. Step 6: Final answer
   x = 1,892,592.46